2022-08-15 08:46:08 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-08-15 19:29:38 [错误] 打开端口(/dev/ttyS5,115200)失败!
2022-08-15 21:13:18 [错误] 打开端口(/dev/ttyS5,115200)失败!